./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:45,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:45,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:45,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:45,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:45,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:45,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:45,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:45,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:45,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:45,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:45,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:45,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:45,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:45,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:45,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:45,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:45,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:45,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:45,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:45,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:45,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:45,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:45,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:45,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:45,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:45,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:45,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:45,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:45,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:45,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:45,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:45,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:45,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:45,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:45,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:45,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:45,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:45,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:45,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:45,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:45,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-20 23:35:46,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:46,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:46,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:46,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:46,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:46,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:46,011 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:46,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:46,011 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:46,011 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:35:46,012 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:46,012 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:46,012 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:35:46,012 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:35:46,012 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:46,013 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:35:46,013 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:35:46,013 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:35:46,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:35:46,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:35:46,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:46,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:35:46,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:35:46,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:46,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:35:46,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:46,022 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:35:46,022 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:35:46,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:46,023 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:35:46,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:35:46,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:46,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:46,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:46,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:46,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:46,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:46,025 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:35:46,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:35:46,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:46,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:46,028 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-11-20 23:35:46,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:46,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:46,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:46,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:46,368 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:46,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-11-20 23:35:46,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data/039dc08bd/0046e12ee08a4508b91a2bc36287209d/FLAG47ea37273 [2021-11-20 23:35:46,961 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:46,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/sv-benchmarks/c/memsafety/global-atexit.i [2021-11-20 23:35:46,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data/039dc08bd/0046e12ee08a4508b91a2bc36287209d/FLAG47ea37273 [2021-11-20 23:35:47,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data/039dc08bd/0046e12ee08a4508b91a2bc36287209d [2021-11-20 23:35:47,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:47,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:47,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:47,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:47,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:47,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea49b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47, skipping insertion in model container [2021-11-20 23:35:47,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:47,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:47,668 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-20 23:35:47,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fd1b60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47, skipping insertion in model container [2021-11-20 23:35:47,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:47,669 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:35:47,671 INFO L158 Benchmark]: Toolchain (without parser) took 380.00ms. Allocated memory is still 119.5MB. Free memory was 76.0MB in the beginning and 93.0MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 23:35:47,672 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:35:47,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.66ms. Allocated memory is still 119.5MB. Free memory was 75.8MB in the beginning and 93.0MB in the end (delta: -17.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 23:35:47,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.66ms. Allocated memory is still 119.5MB. Free memory was 75.8MB in the beginning and 93.0MB in the end (delta: -17.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:49,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:49,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:49,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:49,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:49,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:49,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:49,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:49,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:49,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:49,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:49,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:49,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:49,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:49,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:50,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:50,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:50,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:50,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:50,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:50,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:50,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:50,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:50,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:50,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:50,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:50,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:50,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:50,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:50,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:50,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:50,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:50,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:50,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:50,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:50,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:50,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:50,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:50,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:50,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:50,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:50,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-11-20 23:35:50,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:50,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:50,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:50,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:50,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:50,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:50,097 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:50,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:50,098 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:50,099 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:50,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:50,100 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:50,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:35:50,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:35:50,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:50,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:35:50,102 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:35:50,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:50,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:35:50,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:50,103 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:35:50,104 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:35:50,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:50,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:35:50,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:35:50,105 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:35:50,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:35:50,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:50,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:50,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:35:50,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:50,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:50,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:50,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:50,108 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:35:50,108 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:35:50,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:50,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:50,109 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-11-20 23:35:50,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:50,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:50,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:50,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:50,569 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:50,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-11-20 23:35:50,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data/2863d3fcf/81294cf3382244c5b9c6d2b0ab55c3ee/FLAG6c47d55cf [2021-11-20 23:35:51,276 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:51,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/sv-benchmarks/c/memsafety/global-atexit.i [2021-11-20 23:35:51,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data/2863d3fcf/81294cf3382244c5b9c6d2b0ab55c3ee/FLAG6c47d55cf [2021-11-20 23:35:51,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de1f93f-3fe8-47d7-9247-384aad71e0b2/bin/utaipan-TEXQjIfE4P/data/2863d3fcf/81294cf3382244c5b9c6d2b0ab55c3ee [2021-11-20 23:35:51,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:51,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:51,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:51,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:51,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:51,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:51" (1/1) ... [2021-11-20 23:35:51,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f8ec82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:51, skipping insertion in model container [2021-11-20 23:35:51,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:51" (1/1) ... [2021-11-20 23:35:51,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:51,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:51,971 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-20 23:35:51,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@310ae43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:51, skipping insertion in model container [2021-11-20 23:35:51,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:51,973 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:35:51,975 INFO L158 Benchmark]: Toolchain (without parser) took 424.34ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 48.4MB in the end (delta: -3.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:35:51,976 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:35:51,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.80ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 48.4MB in the end (delta: -3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:35:51,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.80ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 48.4MB in the end (delta: -3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN